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5/13/2016 12:28PM

Fentanyl: America's Grim New Opioid Addiction

Fatalities related to the synthetic opioid fentanyl--up to 50 times as powerful as heroin--are soaring in many parts of the country. Joseph Murphy's addiction to the drug tore his family apart. Now they're trying to put their lives back together. WSJ Video: Robert Libetti. Photo: Kieran Kesner for The Wall Street Journal